package com.xhwl.data.util;

import org.apache.commons.lang.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicHeader;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.util.EntityUtils;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class HttpsUtils {

    /**
     * 常用的GET方式
     * get （@RequestParam("vin")String vin可以接收）
     *
     * @param host
     * @param path
     * @param headers
     * @param querys
     * @return
     * @throws Exception
     */
    public static HttpResponse doGet(String host, String path,
                                     String url,
                                     Map<String, String> headers,
                                     Map<String, String> querys)
            throws Exception {
        HttpClient httpClient = wrapClient(host);
        String urlNew = null;
        if (null == url) {
            urlNew = buildUrl(host, path, querys);
        } else {
            urlNew = url;
        }
        HttpGet request = new HttpGet(urlNew);
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        return httpClient.execute(request);
    }

    /**
     * 调用例子 doGet
     */
// @GetMapping("/doGetTest")
// public  String doGetTest() throws Exception {
//    String IP = "http://localhost:8075";
//    String path="/testTest";
//    Map<String, String> headers = new HashMap<String, String>();
//    //headers.put("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
//    Map<String, String> querys = new HashMap<String, String>();
//    querys.put("vin","VIN223333");
//    querys.put("sn","SN666666666");
//    HttpResponse response = HttpsUtils.doGet(IP, path, headers, querys);
//    得到返回的参数
//    String  getResponse = EntityUtils.toString(response.getEntity());
//
//    return getResponse;
// }


    /**
     * 常用的Post方式
     * Post String (传递json格式的String，@RequestBody String testData 可以接收)
     * 对于得到参数格式为：{"vin":"VIN223333","sn":"SN666666666"}
     *
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPost(String host, String path, String method,
                                      Map<String, String> headers,
                                      Map<String, String> querys,
                                      String body)
            throws Exception {
        HttpClient httpClient = wrapClient(host);

        HttpPost request = new HttpPost(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (StringUtils.isNotBlank(body)) {
            request.setEntity(new StringEntity(body, "utf-8"));
        }

        return httpClient.execute(request);
    }

    /**
     * 调用例子 doPost
     */
// @PostMapping("/doPostTest")
// public  String doPostTest() throws Exception {
//    String IP = "http://localhost:8075";
//    String path="/testPostTest";
//    Map<String, String> headers = new HashMap<String, String>();
//    headers.put("Content-Type", "application/json; charset=UTF-8");
//    Map<String, String> querys = new HashMap<String, String>();
//
//    Map<String, String> bodys = new HashMap<String, String>();
//    bodys.put("vin","VIN223333");
//    bodys.put("sn","SN666666666");
//    String jsonStr= JSONObject.toJSONString(bodys);
//
//    HttpResponse response = HttpsUtils.doPost(IP, path,"POST", headers, querys,jsonStr);
//    得到返回的参数
//      String  getResponse = EntityUtils.toString(response.getEntity());
//
//    return getResponse;
// }


    /**
     * basic auth认证 Get方式
     */
    public static String doGetWithBasicAuth(String url, String basic_userName, String basic_password) throws IOException {

        // 创建HttpClientBuilder
        HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
        // 设置BasicAuth
        CredentialsProvider provider = new BasicCredentialsProvider();
        // Create the authentication scope
        AuthScope scope = new AuthScope(AuthScope.ANY_HOST, AuthScope.ANY_PORT, AuthScope.ANY_REALM);
        // Create credential pair，在此处填写用户名和密码
        UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(basic_userName, basic_password);
        // Inject the credentials
        provider.setCredentials(scope, credentials);
        // Set the default credentials provider
        httpClientBuilder.setDefaultCredentialsProvider(provider);
        // HttpClient
        CloseableHttpClient closeableHttpClient = httpClientBuilder.build();

        String result = "";
        HttpGet httpGet = null;
        HttpResponse httpResponse = null;
        HttpEntity entity = null;

        httpGet = new HttpGet(url);
        try {
            httpResponse = closeableHttpClient.execute(httpGet);
            entity = httpResponse.getEntity();
            if (entity != null) {
                result = EntityUtils.toString(entity);
            }
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        // 关闭连接
        closeableHttpClient.close();


        return result;
    }

    /**
     * 调用举例
     */
// String url = "http://140.xxx.22.xxx:18089/apxxx/" + vin;
// //basic auth中的用户名和密码
// String basic_userName = "admin";
// String basic_password = "public";
// 得到返回的参数
// String resultStr = HttpClientUtilCIV.doGetWithBasicAuth(url, basic_userName, basic_password);


    /**
     * post form（传递的是用&符号连接的字符串，@RequestBody String testData可以接收）
     * 对于得到参数格式为：vin=111&sn=12335
     *
     * @param host
     * @param path
     * @param headers
     * @param querys
     * @param bodys
     * @return
     * @throws Exception
     */
    public static HttpResponse doPost(String host, String path,
                                      Map<String, String> headers,
                                      Map<String, String> querys,
                                      Map<String, String> bodys)
            throws Exception {
        HttpClient httpClient = wrapClient(host);

        HttpPost request = new HttpPost(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (bodys != null) {
            List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>();

            for (String key : bodys.keySet()) {
                nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key)));
            }
            UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");
            formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");
            request.setEntity(formEntity);
        }

        return httpClient.execute(request);
    }


    /**
     * Post stream
     *
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPost(String host, String path, String method,
                                      Map<String, String> headers,
                                      Map<String, String> querys,
                                      byte[] body)
            throws Exception {
        HttpClient httpClient = wrapClient(host);

        HttpPost request = new HttpPost(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (body != null) {
            request.setEntity(new ByteArrayEntity(body));
        }

        return httpClient.execute(request);
    }

    /**
     * Put String
     *
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPut(String host, String path, String method,
                                     Map<String, String> headers,
                                     Map<String, String> querys,
                                     String body)
            throws Exception {
        HttpClient httpClient = wrapClient(host);

        HttpPut request = new HttpPut(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (StringUtils.isNotBlank(body)) {
            request.setEntity(new StringEntity(body, "utf-8"));
        }

        return httpClient.execute(request);
    }

    /**
     * Put stream
     *
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @param body
     * @return
     * @throws Exception
     */
    public static HttpResponse doPut(String host, String path, String method,
                                     Map<String, String> headers,
                                     Map<String, String> querys,
                                     byte[] body)
            throws Exception {
        HttpClient httpClient = wrapClient(host);

        HttpPut request = new HttpPut(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        if (body != null) {
            request.setEntity(new ByteArrayEntity(body));
        }

        return httpClient.execute(request);
    }

    /**
     * Delete
     *
     * @param host
     * @param path
     * @param method
     * @param headers
     * @param querys
     * @return
     * @throws Exception
     */
    public static HttpResponse doDelete(String host, String path, String method,
                                        Map<String, String> headers,
                                        Map<String, String> querys)
            throws Exception {
        HttpClient httpClient = wrapClient(host);

        HttpDelete request = new HttpDelete(buildUrl(host, path, querys));
        for (Map.Entry<String, String> e : headers.entrySet()) {
            request.addHeader(e.getKey(), e.getValue());
        }

        return httpClient.execute(request);
    }


    @SuppressWarnings("resource")
    public static String doPost(String host, String path, String jsonstr, String charset) {
        String url = host + path;
        HttpClient httpClient = null;
        HttpPost httpPost = null;
        String result = null;
        try {
            httpClient = wrapClient(host);

//------------------------------4.1,4.2 版本设置时间-----------------------------

            //设置连接时间
            httpClient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 30000);
            //设置数据传输时间
            httpClient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 30000);

            httpPost = new HttpPost(url);
            httpPost.addHeader("Content-Type", "application/json");

            //此处是将请求体封装成为了StringEntity,若乱码则指定utf-8
            //StringEntity se = new StringEntity(jsonstr,"utf-8");
            StringEntity se = new StringEntity(jsonstr);
            se.setContentType("text/json");
            se.setContentEncoding(new BasicHeader("Content-Type", "application/json"));
            httpPost.setEntity(se);
            HttpResponse response = httpClient.execute(httpPost);

            if (response != null) {
                HttpEntity resEntity = response.getEntity();
                if (resEntity != null) {
                    result = EntityUtils.toString(resEntity, charset);
                }
            }
        } catch (Exception ex) {
//            ex.printStackTrace();
            //连接超时或者数据传输时间超时
            String apiResult = "timeOut";
            return apiResult;
        }
        return result;
    }

    /**
     *doPost 举例
     */

//    String IP = "http://localhost:8075";
//    String path="/testPostTest";
//    Map<String, String> bodys = new HashMap<String, String>();
//    bodys.put("vin","VIN223333");
//    bodys.put("sn","SN666666666");
//    String jsonStr= JSONObject.toJSONString(bodys);
//    String resultStr= HttpsUtils.doPost(IP,path,jsonStr, "utf-8");
//    return resultStr;
// }


    /**
     * 拼接url
     *
     * @param host
     * @param path
     * @param querys
     * @return
     * @throws UnsupportedEncodingException
     */
    private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException {
        StringBuilder sbUrl = new StringBuilder();
        sbUrl.append(host);
        if (!StringUtils.isBlank(path)) {
            sbUrl.append(path);
        }
        if (null != querys) {
            StringBuilder sbQuery = new StringBuilder();
            for (Map.Entry<String, String> query : querys.entrySet()) {
                if (0 < sbQuery.length()) {
                    sbQuery.append("&");
                }
                if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {
                    sbQuery.append(query.getValue());
                }
                if (!StringUtils.isBlank(query.getKey())) {
                    sbQuery.append(query.getKey());
                    if (!StringUtils.isBlank(query.getValue())) {
                        sbQuery.append("=");
                        sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8"));
                    }
                }
            }
            if (0 < sbQuery.length()) {
                sbUrl.append("?").append(sbQuery);
            }
        }
        return sbUrl.toString();
    }

    private static HttpClient wrapClient(String host) {
        HttpClient httpClient = new DefaultHttpClient();
        if (host.startsWith("https://")) {
            sslClient(httpClient);
        }

        return httpClient;
    }

    private static void sslClient(HttpClient httpClient) {
        try {
            SSLContext ctx = SSLContext.getInstance("TLS");
            X509TrustManager tm = new X509TrustManager() {
                @Override
                public X509Certificate[] getAcceptedIssuers() {
                    return null;
                }

                @Override
                public void checkClientTrusted(X509Certificate[] xcs, String str) {

                }

                @Override
                public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {

                }

            };
            ctx.init(null, new TrustManager[]{tm}, null);
            SSLSocketFactory ssf = new SSLSocketFactory(ctx);
            ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
            ClientConnectionManager ccm = httpClient.getConnectionManager();
            SchemeRegistry registry = ccm.getSchemeRegistry();
            registry.register(new Scheme("https", 443, ssf));
        } catch (KeyManagementException ex) {
            throw new RuntimeException(ex);
        } catch (NoSuchAlgorithmException ex) {
            throw new RuntimeException(ex);
        }
    }


}